Recently，The East Second Ring Road to Changshen Section of Jinan to Weifang Expressway, invested and constructed by Shandong Expressway Group, passed the handover acceptance smoothly.，It marks that the whole line of the project is open to traffic.。Among，The Changshen-Wei-Ri Expressway was completed and opened to traffic in December 2022.。

According to introduction，The total length of Jiwei Expressway is 161.9 kilometers，Design speed 120 kilometers per hour，Six lanes in both directions，The estimated investment is 421.3.5 billion yuan，It is the first zero-carbon highway in China.、The First New Smart Expressway in Shandong Province，It is also the first expressway facing the whole life cycle digital delivery in China.。The project has been included in the pilot project of intelligent high-speed construction of transportation power of the Ministry of Transport.、List of the First Batch of Pilot Tasks in Shandong Demonstration Zone of Transportation Power，Won the title of Ping An Centennial Quality Project、Honors such as provincial transportation science and technology demonstration project and provincial highway infrastructure digitization pilot project。After completion and opening to traffic，To promote the rapid development of regional economy along the line.，Speed up the interconnection between the provincial capital economic circle and the Jiaodong economic circle，It is of great significance to improve the layout of Shandong expressway network.。

The project passes through mountains, heavy hills and micro-hilly areas.、Mined-out area，The ratio of bridge to tunnel is up to 41%，The geographical environment is complex，During the construction process，According to“Whole section perception、Whole process control、Quasi-all-weather traffic”The orientation of construction，Around“Intelligent tube clothing、Fast passage、Security、Green and energy-saving、Vehicle-road coordination”Five systems，Take the Smart Tunnel as the Breakthrough Point，Guided by zero carbon target，Make every effort to build harmony“Infrastructure network、Transportation Service Network、Sensor Communication Network、Green Energy Network”Leading the country in one.、Smart zero-carbon highway with demonstration and driving role。

Intelligent tube clothing，Digital empowerment

The project relies on its own“High speed cloud”，Deepen the highway“A net”Cloud Management and Cloud Services，Built“A net”Intelligent road network management and control platform for operation，Promoted cross-sectoral、Cross-industry、Cross-regional、Cross-level data sharing and exchange，Provide intelligent management and service for road network“Massive fusion、Accurate identification、Automatic warning、Scientific decision-making、Digital twins”Integrated support capability，Take advantage of the Internet of Things、Big data、BIMAnd other new technologies，Interconnection and coordination have been established.、Intelligent production、Project Informatization Ecosphere of Intelligent Monitoring and Detection，Digital delivery of the whole life cycle、Automatic metering、Visual and precise management and control during the operation period，Greatly improve the level of highway management and operation services。

To enhance the sense of experience and acquisition of drivers and passengers，The project actively promotes the humanistic landscape upgrading and intelligent upgrading of the service area buildings.，With the country“Open Economic Belt”Is the axis，Strive to create a theme service area with international flavor，Built“Smells”“Have experience”“Cultured”Diversified characteristic service area；At the same time，To improve the convenience and efficiency of intelligent management and control，Each service area not only realizes the traditional intelligent query,、Smart car wash、Intelligent parking、Intelligent toilet guidance, etc.，Intelligent parking guidance system is also deployed.，Make the service area along the line synchronously realize parking navigation.，Especially built.ETC+Derivative integrated ecosphere，RealizationETC+Come on、Wash the car、Service area business and other derivative services，The smart service area is closely linked with the smart traffic.。

In addition，In the construction of the smart cloud toll station of the project，Adopted“Intelligent charging platform+Lane cloud service”Pattern，Realization“A tablet is a control center.”，Digitalization of toll business industry、Digital industrialization provides Shandong scheme；In the Building of Smart Tunnel，Fully consider the potential safety hazard of manual patrol inspection in the tunnel、Low work efficiency、High labor costs and other issues.，Through the development of professional intelligent inspection robot，Further realize various environmental parameters in the tunnel、Real-time monitoring and recognition of abnormal events、Event detection system linkage and other functions，And that automatic operation and maintenance level of the tunnel is improve.。

Fast passage，Enjoy the convenience

In order to build the first expressway in the country where the tunnel does not slow down.，The project has set up a 100-meter-long steel structure light-reducing shed tunnel at the entrance of 10 tunnels along the whole line.、A 20-meter-long open-cut concrete tunnel is set up at the exit of the tunnel.，Realize the natural light and shade transition of the environmental brightness at the entrance and exit of the tunnel，Eliminate“Black and white hole effect”，It is expected to increase traffic efficiency by 20 percent%，50% reduction in accidents in tunnels%；In addition，The project will widen both sides of each tunnel by 25 centimeters.，Lower“Sidewall effect”Up to 85%，Intelligent lighting dimming system is set up.，According to the brightness outside the tunnel、Color temperature、Automatic stepless dimming of driving speed, etc.、Adjust the color temperature，The visual comfort of the driver can be better improved.，Alleviate driving fatigue。

Project to“People walk freely，Things flow smoothly”For the target，Efficient construction of a new generation of smart cloud toll station。Make use ofAI、Big data、Cloud computing and other key technologies，Use of standardized lane equipment、Assembled intelligent cloud cabin and cloud charging system，It has created fewer people at the station level.、The driveway is unmanned、Guide wisdom、New toll station operation mode based on cloud network，Ramp pre-trading can be provided、Front antenna of toll lane、Three-time transaction authentication of the rear antenna of the toll lane，And matched with ramp display screen、Side of toll islandLEDHorse lantern、Novel luminous railing arm and other induction，To ensure the rapid realization of charging behavior，The overall traffic capacity of toll Plaza vehicles has been greatly improved.，Among，The assembled smart cloud cabin can provide temporary rest for drivers and passengers.、Smart Query、ETCInvoice printing、Free borrowing tools and other one-stop intelligent and convenient services。

People-oriented，Security

In order to ensure traffic safety and smooth road，Project leverages improved monitoring perception、Reliable emergency response、Real-time forecasting and early warning and other technical means，Build a smart zero-carbon high-speed security system，Accurate vehicle scheduling and guidance。

Equipment such as radar event sensing shall be set in the tunnel of the whole line.，Accidents in the tunnel、Drive at high speed and low speed、 Parking 、Real-time and accurate monitoring of retrograde and throwing objects，And about 300 m and 1000 m from the tunnel entrance，Setting Up Deployment Information Boards，Real-time traffic status in the tunnel、Release reminders of accidents and other information，Prevent secondary or multiple accidents，Induce vehicles to pass safely，At the same time，Automatic fire monitor shall be set at a distance of 40m.，It provides a new mode of automatic management for tunnel fire fighting.。

It's not just the tunnel，The project is on the grand bridge.、Reservoir、Rivers and other key locations，Weather detectors are also set up.、Visibility detector、Bridge surface ice state detector，Accurate monitoring and real-time early warning of special weather；Set intelligent driving guidance、Reflective marking on rainy night、Sign light filling system、Intelligent cone barrel and other traffic safety facilities，Lift the rain、Fog、Haze、Traffic safety level of special sections such as snow and other complex traffic environments and maintenance and construction；Spray with melted ice and snow、Three schemes of inorganic heat pipe and snow melting on low freezing ice pavement，Improve the driving conditions of key sections of expressways under winter ice and snow conditions，Reduce the possibility of vehicle accidents。According to statistics，More than 90 types of projects have been constructed.、More than 11000 sets covering perception、Monitoring、Induction、Outfield facilities for release and other functions，Accurate vehicle scheduling and guidance，Ensure traffic safety and smooth road，Help to achieve quasi-all-weather traffic。On this basis，Precise guidance for all-weather traffic perception and control，The project was constructed to“Millimeter wave radar+Video”As the core of the ray-vision fusion roadside perception system.，Capable of high precision and long-distance detection，Strong smoke through rain and snow，Not affected by light and illumination，Realization“Full-time all-weather lane-level”Road traffic incident perception。

Digital Intelligence Zero Carbon，Green and energy-saving

The project is in the design phase，Insist on being green、Cycle、Low-carbon concept runs through the whole process of highway construction and operation，Innovative construction of renewable energy utilization、Operation of zero-carbon smart energy network、Comprehensive management and control of carbon emission、Waste resource treatment、Near-zero energy consumption building energy-saving、Forestry carbon sink promotion and other six systems，Achieve carbon neutrality in multiple operational scenarios，Make every effort to build the first zero-carbon high-speed in China。

During the construction process，The project makes full use of the ramp ring.、Slope、Service area、Toll station、Tunnel、Sound barrier and other construction scenes，Comprehensive layout photovoltaic power generation system，Application of photovoltaic power generation technology in combination with different scenarios，Achieve efficient use of energy、“expressway+Photovoltaic”Should be built as much as possible.。According to statistics，The installed capacity of photovoltaic shed tunnel in the whole line of the project is about 2400 kilowatts.，Operation period(25 years)Cumulative power generation of about 64 million degrees，The total electricity saving is about 45 million yuan.。

In addition，The project is in the practice and exploration of green low carbon.，Full use is also made of the interchange area、Service area、Custody yard area、Main line、Carbon Sequestration Capacity of Plants in Tunnel Landscaping Engineering，Through reasonable selection of tree species，The total green area is 660 thousand square meters.，It is estimated that the forestry carbon sequestration effect of about 820 tons of carbon sequestration will be achieved annually.；In the south of Qingzhou、An intelligent sewage treatment system has been constructed in Kunlun service area.，Realize the reuse of sewage and waste in expressway service area，Improve the efficiency of resource recycling；Adopted in the office building of Zhangqiu South Monitoring and Communication Subcenter“Fficient heat insulation of enclosure structures、High-comfort energy-saving external window、Fficient heat recovery fresh air system、Airtight design and no thermal bridge design”Five technical systems and a series of new materials and technologies，Make the single building reach the national standard“Near-zero energy consumption building”Technical requirements，The comprehensive energy-saving rate of buildings has reached 76.4%，This technology has also obtained the certification of near-zero energy consumption building design issued by China Building Energy Conservation Association.。(Evergreen Wu Rongxin)